Trump and his wife, Melania, traveled to the Flight 93 National Memorial from Washington and paused for a moment of reflection while overlooking the field where the plane crashed.
Trump's legal team last week asked the Supreme Court to put a hold on the panel's subpoena, arguing that if the lower court rulings are allowed to stand, any committee of Congress could subpoena any personal information it wants from a president.
Trump won Pennsylvania, which had voted Democratic in six consecutive presidential elections prior to 2016, by less than one percentage point, stunning then-Democratic presidential nominee Hillary Clinton.
Trump said in an address to the business leaders that through negotiations for a Japan-US trade agreement, he wants to make bilateral trade "a little bit more fair," referring to what he sees as a trade imbalance
Trump arrived in Tokyo on Saturday afternoon and is expected to hold an official meeting with Japanese Prime Minister Shinzo Abe on Monday.
Trump was impeached by the House for what the Democrats said was abusing his power in pressuring Ukraine to launch political investigations that would help with his reelection, and obstructing Congress's impeachment inquiry by stonewalling subpoenaed administration officials as well as related documents. He became the third president in US history to be impeached.
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Trump's decision to relocate the US embassy to the contested city of Jerusalem will also be raised. Some EU leaders have made a direct link between the move and the killing of almost 60 Palestinians during protests on the Gaza border.
Tu Minxuan, one of Cheng Dongdong's classmates, picks him up, and helps to get him into the electric car outside the classroom.[Photo/Xinhua]
Tropical Storm Haitang, the 10th tropical cyclone this year, landed around 3 am on Monday in Fuqing, Fujian province. Packing winds up to 65 kilometers per hour, Haitang followed Typhoon Nesat, which swept into Fuqing at 6 am on Sunday, with winds of 119 km/h, according to the Fujian meteorological observatory.
Trump has denied any wrongdoing.